Fix display of error messages with colon

Previously error message was truncated where a colon appeared.

Author: intgr

src/main/java/com/leinardi/pycharm/mypy/mpapi/MypyRunner.java

@@ -334,7 +334,7 @@ private static List<Issue> parseMypyOutput(InputStream inputStream) throws IOExc
                     String path = splitPosition[0].trim();
                     int line = splitPosition.length > 1 ? Integer.parseInt(splitPosition[1].trim()) : 1;
                     int column = splitPosition.length > 2 ? Integer.parseInt(splitPosition[2].trim()) : 1;
-                    String[] splitError = rawLine.substring(typeIndexStart).split(":", -1);
+                    String[] splitError = rawLine.substring(typeIndexStart).split(":", 2);
                     SeverityLevel severityLevel = SeverityLevel.valueOf(splitError[0].trim().toUpperCase());
                     String message = splitError[1].trim();
                     issues.add(new Issue(path, line, column, severityLevel, message));